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Your guru Rich has explained it many times.


When a Grounded Grid amplifier is amplifying as a 'linear device', the plate current will be 3/2 as a ratio of the grid current.



Maybe this should go under the "how to tune a tube amp".....  Not many people, ham's or CBers can actually load an amplifier up to the prescribed values.  Most tune for max smoke, which usually will get you in the right area.


--Toll_Free